INDEX. 



817 



Pago. 



"Wells, artesian, conditions for 555-556 



"Wenona, 111., wells at 069 



"West Point, Iowa, exposure of Sangamon soil at 129 



sections near 53, 70 



"West Salem, 111., wells near 776 



Wheaton, 111., wells at 593 



"Wheeler, H. A., cited on drift deposits 37 



"Wheeler, Ind., section of ridge north of 396 



"White, C. A., cited on animal remains at Davenport, 



Iowa 127, 128 



cited on peat bed at Davenport, Iowa 128 



reference to 88 



"White County, 111., altitude ol 11 



general features of 776-777 



wells in 776-777 



"Whitehall, 111., wells at 745 



"White Lake, depth of 441 



White River, course and watershed of 532-534 



preglacial and present course 104 



preglacial valley of •. . .. 534 



"Whitney, Milton, analyses of loess by 159,160 



quoted on analyses of white clay 796 



quoted on bluff loess 794 



quoted on bowlder-clay soils of Illinois 792 



quoted on soils 789-790 



Whiteside County, HI., altitude of 11 



general features of 148,614-615 



loess deposit in - 154 



table of wells in 617 



wells in 614-619 



"Will County, 111., altitude of 10 



general features of 648-649 



table of wells on Valparaiso morainic system in. 650-651 

 table of wells outside the Valparaiso morainic 



system 652 



wells in 648-652 



Williams, L., wells drilled by 49-50 



Willliamstield. 111., wells at 677 



"Williamson County, 111., altitude, of 11 



general features of ." 780-781 



"Wilmette, 111., well at 587 



"Wilmington, 111., wells at 650 



"Wilson, James H., report upon the survey of the 



Illinois River mentioned 418 



"Winchell, Alexander, cited on bowlders in Van Buren 



County 35S 



cited on deep channels along east shore of Lake 



Michigan 441 



"Winchester, 111., wells near ? 722 



"Windsor, 111., wells at 202,739 



"Wine Hill, 111., wells at 769 



"Winfield.Iowa, abandoned valley near 90,91,92,93 



"Winnebago County, altitude of 9 



gravel knolls in 136 



situation and area of 569-570 



table of well sections in 570-572 



till ridges in 135 



Winuolka, 111., drift near 



till rid go near 



well at 



Wisconsin, altitude of 



Wisconsin and Iowan drift sheets, soil and peat be- 

 tween 



Wisconsin drift, character of 



beached loess beneath the 



limits of 



Wisconsin drift sheets, extent of early 



Wisconsin, structure of drift border in southern 



Witter, F. M., fossils identified by 



cited on mammalian remains in loess 



cited on wells in Louisa County, Iowa 



Woburn,Hl., wells at 



Woodford County, 111., altitude of 



general features of 



wells in 264, 



Woodstock, 111., wells at 



Woodworth, J. B., cited on Nantucket as a morainal 



island, S. C. Curtis and 



Woolridge, C. W., cited on the deep channels along 



east shore of Lake Michigan 



Wooster, L. C, geologic work of 



Worth, 111., bowlders near 



wells at 



Worthen, A. H., cited on drift deposits 



cited on drift phenomena of northwestern Illi- 

 nois 



cited on changes in drift structure at Clinton.. 



cited on mammalian remains in loess 



cited on Niagara limestone areas 



cited on section at Virginia, 111 



section of well at Pana, 111 



the interval of deglaciation 



b to 2,157,526, 



i\, cited on drift deposits 



strise in Williamson and Jackson coun- 

 ,111 



Page. 



185-186 

 141-143 

 187-188 

 262-263 

 191. 

 43-44 

 168-169 

 166,167 



cited i 



cited ' 



refere 



Wright, G 



Y. 



Yarmouth, Iowa, bones found in peat near 42 



sections of wells near 42, 51 



Yarmouth soil near Denmark, Iowa 54 



Yates, 111-, wells at 677-678 



'•Yellow banks" section near Keokuk, Iowa 94 



Yellow River, watershed of the 507 



Yorkville, 111., wells at . ... 644 



X. 



Zeeland Ridge, altitude of.. 



MON XXXVIII- 



